Description: There is a strong and durable sleeve with high force, high hardness and wear resistance. Using it can easily remove screws with high efficiency and time saving. With the design of pin hole, this sleeve is designed to insert the pin and then put on the leather ring to fix the sleeve on the machine more firmly. It is suitable for hand drill, electric wrench, ratchet wrench, etc. It is constructed of alloy steel material. There are 5 styles for you to choose from. Wrench socket is used in automobile industry, home decoration, manufacturing, construction and other industries. Item Name: Wrench Socket Material: Alloy Steel Features: Durable, Hard, Practical, Wide Applications Size Details: A, Outer Diameter: 1.6cm/0.63", Length: 4cm/1.57"(Approx.) B, Outer Diameter: 1.6cm/0.63", Length: 4cm/1.57"(Approx.) C, Outer Diameter: 1.6cm/0.63", Length: 4cm/1.57"(Approx.) D, Outer Diameter: 1.8cm/0.71", Length: 4cm/1.57"(Approx.) E, Outer Diameter: 1.8cm/0.71", Length: 4cm/1.57"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wrench Socket